A massive “No Kings” rally opposing President Trump erupted into an alarming scene of chaos in downtown Los Angeles Saturday, as rocks, concrete and “commercial-grade” fireworks were lobbed at officers — as another rally in Portland near an ICE facility was reportedly decared a riot.

The Los Angeles Sheriff's Department declared an unlawful assembly on Saturday after "No Kings" protests ended. Local police are arresting people and trying to disperse the crowds. CBS News correspondent Adam Yamaguchi reports.

Mayor Bass extends curfew in Los Angeles as anti-ICE demonstrations intensify, with initially peaceful protests evolving into confrontations requiring law enforcement intervention.

An NBC News reporter captures the moment police declared an unlawful assembly in Little Tokyo, downtown Los Angeles, Calif., then used flash-bang devices and tear gas to push back on protestors.

A day of peaceful protests in downtown Los Angeles took a turn late Saturday afternoon when law enforcement began ordering the thousands of demonstrators to disperse from the area surrounding the L.A.

Los Angeles police have issued a dispersal order at No Kings protests downtown. Officers shot tear gas and rubber bullets at what they called "outside agitators."